Finding the Third Proportional to 55,554.38 and 79,386.75

Step by Step Solution

1. Step 1: Write the proportion equation
   55,554.38 : 79,386.75 = 79,386.75 : x
2. Step 2: Convert to fraction form
   55,554.38/79,386.75 = 79,386.75/x
3. Step 3: Cross multiply
   55,554.38x = 79,386.75 × 79,386.75
4. Step 4: Simplify right side
   55,554.38x = 6,302,256,075.56
5. Step 5: Solve for x
   x = 6,302,256,075.56/55,554.38
6. Step 6: Final answer
   x = 113,443.02